Went on a tour of the RF facility at Jefferson Lab and noticed this drift tube structure at 1497MHz.   The drift tube bore is smaller than a finger, unlike the larger 201MHz DTL tanks I've seen.   #accelerators #physics #RF<p><a href='posts/202609/post-20260917-194323-a.jpg'><img src='posts/202609/post-20260917-194323-a.jpg' loading='lazy' /></a></p>